#include <iostream>
#include <fstream>
#include <climits>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[300][300]={0};
int main (){
    fin>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++){
            fin>>a[i][j];
            if(a[i][j]==0&&i!=j)
                a[i][j]=1000000;
        }

    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                if(a[i][j]>a[i][k]+a[k][j])
                    a[i][j]=a[i][k]+a[k][j];

    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++)
            fout<<a[i][j]<<" ";
        fout<<endl;
    }

    return 0;
}